ASTM-D7152 Historical Revision Information
Standard Practice for Calculating Viscosity of a Blend of Petroleum Products

ASTM-D7152 - 2005 EDITION - SUPERSEDED
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Standard Practice for Calculating Viscosity of a Blend of Petroleum Products
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Scope

1.1 This practice covers the procedures for calculating the estimated kinematic viscosity of a blend of two or more petroleum products, such as lubricating oil base stocks, fuel components, residua with kerosine, crude oils, and related products, from their kinematic viscosities and blend fractions.

1.2 This practice allows for the estimation of the fraction of each of two petroleum products needed to prepare a blend meeting a specific viscosity.

1.3 This practice may not be applicable to other types of products, or to materials which exhibit strong non-Newtonian properties, such as viscosity index improvers, additive packages, and products containing particulates.

1.4 The values stated in Si units are to be regarded as stnadard. No other units of measurement are included in this standard.

1.5 Logarithms may be either common logarithms or natural logarithms, as long as the same are used consistently. This practice uses common logarithms. If natural logarithms are used, the inverse function, exp(×), must be used in place of the base 10 exponential function, 10×:, used herein.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

Keywords

blending; kinematic viscosity; MacCoull; viscosity; Wright; ICS Number Code 75.080 (Petroleum products in general)

To find similar documents by ASTM Volume:

05.04 (Petroleum Products and Lubricants (IV): D6973 - latest)

To find similar documents by classification:

75.080 (Petroleum products in general)

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Document Number

ASTM-D7152-05

Revision Level

2005 EDITION

Status

Superseded

Modification Type

New

Publication Date

May 1, 2005

Document Type

Practice

Page Count

9 pages

Committee Number

D02.07